Join us for the Sunday edition of BOSS and escape the heat in the high country. We will be riding 20 miles of some of the most challenging terrain in Boulder County. Be prepared for 4+ hours on the trail and the possibility of rain.

Please RSVP for this event so we have a good headcount for the number of riders!

Hitch a ride to the trailhead! CARPOOL!!

8 am at the justice center parking lot at 6th and Canyon in Boulder to carpool

What if it looks like it'll rain?

Check this site as late as 10pm the day before the ride. It will be updated with ride status

If you sign up for the ride, you will be notified by email if it's cancelled.

Important Info about the Rides:

All riders MUST wear a helmet, bring water, and have a trail-ready bike. Riders should also carry the usual basics: spare tube(s), a pump, tire levers, a chain tool, and basic Allen wrenches.

All riders ride at their own risk; group leaders take no responsibility for rider safety/injury.

Riders must sign a liability waiver once during the season. If this is your first ride of the season, please bring a signed waiver with you or be prepared to complete one at the meeting spot.

This ride launches at 9am

For planning purposes please sign up (see below if you're signed in) for this event ahead of time. This is not mandatory, but helps us with planning. You need to be registered as a website user and as a member of the BOSS Rides Group.